target/linux/ifxmips/patches/100-board.patch

   1 --- a/arch/mips/Kconfig
   2 +++ b/arch/mips/Kconfig
   3 @@ -78,6 +78,21 @@
   4         select SYS_SUPPORTS_LITTLE_ENDIAN
   5         select GENERIC_HARDIRQS_NO__DO_IRQ
   6
   7 +config IFXMIPS
   8 +       bool "IFXMips support"
   9 +       select DMA_NONCOHERENT
  10 +       select IRQ_CPU
  11 +       select CEVT_R4K
  12 +       select CSRC_R4K
  13 +       select SYS_HAS_CPU_MIPS32_R1
  14 +       select HAVE_STD_PC_SERIAL_PORT
  15 +       select SYS_SUPPORTS_BIG_ENDIAN
  16 +       select SYS_SUPPORTS_32BIT_KERNEL
  17 +       select SYS_HAS_EARLY_PRINTK
  18 +       select HW_HAS_PCI
  19 +       select GENERIC_GPIO
  20 +       select SWAP_IO_SPACE
  21 +
  22  config MACH_DECSTATION
  23         bool "DECstations"
  24         select BOOT_ELF32
  25 @@ -693,6 +708,7 @@
  26  source "arch/mips/tx4927/Kconfig"
  27  source "arch/mips/tx4938/Kconfig"
  28  source "arch/mips/vr41xx/Kconfig"
  29 +source "arch/mips/ifxmips/Kconfig"
  30
  31  endmenu
  32
  33 --- a/arch/mips/Makefile
  34 +++ b/arch/mips/Makefile
  35 @@ -282,6 +282,13 @@
  36  cflags-$(CONFIG_MIPS_COBALT)   += -Iinclude/asm-mips/mach-cobalt
  37  load-$(CONFIG_MIPS_COBALT)     += 0xffffffff80080000
  38
  39 +#
  40 +# Infineon IFXMIPS
  41 +#
  42 +core-$(CONFIG_IFXMIPS) += arch/mips/ifxmips/
  43 +cflags-$(CONFIG_IFXMIPS)   += -Iinclude/asm-mips/mach-ifxmips
  44 +load-$(CONFIG_IFXMIPS) += 0xffffffff80002000
  45 +
  46  #
  47  # DECstation family
  48  #
  49 --- a/include/asm-mips/bootinfo.h
  50 +++ b/include/asm-mips/bootinfo.h
  51 @@ -94,6 +94,12 @@
  52  #define MACH_MSP7120_FPGA       5      /* PMC-Sierra MSP7120 Emulation */
  53  #define MACH_MSP_OTHER        255      /* PMC-Sierra unknown board type */
  54
  55 +/*
  56 + * Valid machtype for group IFXMIPS
  57 + */
  58 +#define MACH_GROUP_IFXMIPS     29
  59 +#define MACH_INFINEON_IFXMIPS  0
  60 +
  61  #define CL_SIZE                        COMMAND_LINE_SIZE
  62
  63  extern char *system_type;
  64 --- a/arch/mips/kernel/traps.c
  65 +++ b/arch/mips/kernel/traps.c
  66 @@ -1379,6 +1379,7 @@
  67          */
  68         if (cpu_has_mips_r2) {
  69                 cp0_compare_irq = (read_c0_intctl() >> 29) & 7;
  70 +               cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ;
  71                 cp0_perfcount_irq = (read_c0_intctl() >> 26) & 7;
  72                 if (cp0_perfcount_irq == cp0_compare_irq)
  73                         cp0_perfcount_irq = -1;